Finding the Fourth Proportional to 1,642,562.88, 2,266,672.80 and 1,031,043.84
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Solution
The fourth proportional to 1,642,562.88, 2,266,672.80 and 1,031,043.84 is: 1,422,800.34
Step by Step Solution
- Step 1: Write the proportion equation
1,642,562.88 : 2,266,672.80 = 1,031,043.84 : x - Step 2: Convert to fraction form
1,642,562.88/2,266,672.80 = 1,031,043.84/x - Step 3: Cross multiply
1,642,562.88x = 2,266,672.80 × 1,031,043.84 - Step 4: Simplify right side
1,642,562.88x = 2,337,039,027,735.55 - Step 5: Solve for x
x = 2,337,039,027,735.55/1,642,562.88 - Step 6: Final answer
x = 1,422,800.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.